package bit.lotterysystem.service.impl;

import bit.lotterysystem.common.errorcode.ServiceErrorCodeConstants;
import bit.lotterysystem.common.exception.ServiceException;
import bit.lotterysystem.common.utils.*;
import bit.lotterysystem.service.VerificationCodeService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.HashMap;
import java.util.Map;


@Service
public class VerificationCodeServiceImpl implements VerificationCodeService {

    private static final String VERIFICATION_CODE_PREFIX="VERIFICATION_CODE_";
    private static final String VERIFICATION_CODE_TEMPLATE_CODE = "SMS_465324787";
    private static final Long VERIFICATION_CODE_TIMEOUT=60L;
    @Autowired
    private SMSUtil smsUtil;

    @Autowired
    private RedisUtil redisUtil;


    @Override
    public void sendVerificationCode(String phoneNumber) {
        //校验手机号
        if(!RegexUtil.checkMobile(phoneNumber)){
            throw new ServiceException(ServiceErrorCodeConstants.PHONE_NUMBER_ERROR);
        }
        //生成随机验证码
        String code= CaptchaUtil.getCaptcha(4);
        //发送验证码
        //{"code":"code"}
        Map<String,String> map=new HashMap<String,String>();
        map.put("code",code);
        smsUtil.sendMessage(VERIFICATION_CODE_TEMPLATE_CODE,
                phoneNumber,
                JacksonUtil.writeValueAsString(map));
        //缓存验证码
        redisUtil.set(VERIFICATION_CODE_PREFIX+phoneNumber,code,VERIFICATION_CODE_TIMEOUT);

    }

    @Override
    public String getVerificationCode(String phoneNumber) {
        if(!RegexUtil.checkMobile(phoneNumber)){
            throw new ServiceException(ServiceErrorCodeConstants.PHONE_NUMBER_ERROR);
        }
        return redisUtil.get(VERIFICATION_CODE_PREFIX+phoneNumber);
    }
}
